Inventor · disambiguated record
Robert W. Pfeiffer
Also filed as: PFEIFFER ROBERT · PFEIFFER ROBERT W
9 granted patents·383 citations·filing 1980–2006
91Inventor score
Top patents by PatentIndex Score
9 records- 0196US4332674AMethod and apparatus for cracking residual oilsDEAN ROBERT R·Filed 1980·Granted Jun 1, 1982·88 cites·20 claims
- 0294US4331533AMethod and apparatus for cracking residual oilsDEAN ROBERT R·Filed 1980·Granted May 25, 1982·84 cites·6 claims
- 0393US4336160AMethod and apparatus for cracking residual oilsDEAN ROBERT R·Filed 1980·Granted Jun 22, 1982·71 cites·5 claims
- 0479US4664139AValve especially for controlling particulate solids flowPFEIFFER ROBERT W·Filed 1984·Granted May 12, 1987·34 cites·20 claims
- 0571US5368276AValve with truncated aperture providing enhanced rangeability and logarithmic flow characteristicFiled 1993·Granted Nov 29, 1994·33 cites·39 claims
- 0664US5462717AProcesses using fluidized solids and apparatus for carrying out such processesFiled 1994·Granted Oct 31, 1995·24 cites·23 claims
- 0761US4756886ARough cut solids separatorSTONE & WEBSTER ENG CORP·Filed 1986·Granted Jul 12, 1988·22 cites·16 claims
- 0853US5205537AValve with enhanced rangeability and logarithmic flow characteristicPFEIFFER ROBERT W·Filed 1991·Granted Apr 27, 1993·17 cites·32 claims
- 0952USD548845SPadded knee bracePFEIFFER ROBERT·Filed 2006·Granted Aug 14, 2007·10 cites·1 claims
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